Physics, asked by bajpaiatharva786, 1 year ago

A hydrogen atom initially in the ground state absorbs a photon and is in the excited state with energy 12.5 ev

Answers

Answered by facttenz
0
For ground state n1=1 and n2=4

Energy of photon absorbed E=E2−E1

=13.6(112−142)

=13.6×1516ev

=13.6×1516×1.6×19−9

E=2.04×10−18J

λ=hcE=6.6×10−34×3×1082.04×10−18

λ=9.7×10−8m

ν=cλ

=3×1089.7×10−8

=3.1×10−15hz
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